Fruit peel press



M r 2, 1943- M. D. TRUESDALE 2,312,940

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FRUIT PEEL PRESS Origina'l Filed Aug. 24, 1936 9 Sheets-Sheet 9 Swan/Whom Patented Mar. 2, 1943 UNITED STATES PATENT OFFICE 2,312,940 FRUIT'PEEL rnnss Melville D. Truesdale, Stamford, Conn. Original application August 24, 1936, Serial No. 97,700. Divided and this application December 2a, 1938, Serial No. 247,513

13 Claims. (01. 100-41) My invention relates to a device for expressing essential oils from the skin of fruit. This application is a true division of my co-pending application Serial No. 97,700, filed August 24, 1936, and now matured into Patent No. 2,181,674 dated Nov. 28, 1939. While it is customary to flavor certain beverages, such as, tea, cocktails, etc. with the oil expressed from the skin of fruit, such as, lemons, oranges, etc., heretofore this has been done by pinching or squeezing the peel or skin between the fingersan inadequate and unsatisfactory procedure.

This device makes it possible to express the greatest amount of natural oils from the skin or peel and impart the flavor or odor of the fruit or vegetable oil to the beverage or solid edible substance with a minimum of effort, and with a minimum amount of contact with the human hand, and to direct the particles of oil as desired, which is not possible with any other device.

It should be clearly understood that this device is not used for extracting the juice contained within the skin, but is used to express the oils contained in the skin or peel after the peel has been cut off the fruit itself.

Whereas it is now customary in flavoring certain beverages to bruise the skin, thus bringing some of the oil to the surface of the skin and then immersin the bruised skin or peel in the beverage, and whereas in the case of certain solid foods such as cakes or pies, the skin or peel is grated or mashed up to release the contained oils and the grated or mashed pieces are inserted in and become a part of the batter or mix from which the finished product is made, with this device it is possible to transmit the oils which contain the flavor and odor without the skin or peel originally containing the oil being mixed with or becoming a part of the substance being flavored or scented. This invention therefore overcomes a condition which in many cases may be objectionable.

I have found that one of the best ways to express oil on material to be treated is by pinching or folding the skin in an inverted V whereby the cells in the skin are ruptured and the essential oils fall onto the material to be treated. In actual practice, the length of the peel is ordinarily about half an inch, so that each leg of the V is about a quarter of an inch. These dimensions give excellent results, although of course I do not wish to be limited to the example given.

It is an object of this invention to express a large amount of oil from the peel economically and simply.

A further object of the invention is to direct the oil onto the object to be flavored or scented.

Yet another object of the invention is to provide an apparatus which is simple and cheap to manufacture and easy to repair and replace.

With these and other objects in view which may be incident to my improvements, the invention consists in the parts and combinations to be hereinafter set forth and claimed, with the und'erstanding that the several necessary elements comprising my invention may be varied in con-' struction, proportions and arrangement, without departing from the spirit and scope of the appended claims.

In order to make my invention more clearly understood, I haveshown in the accompanying drawings means for carrying the same into practical efiect without limiting the improvements in their useful applications to the particular constructions which, for the purpose of explanation, have been made the subject of illustration.

In the drawings:

Figure 1 is a side elevation of my device with the sliding member pivoted back.

Figure 2 is a side elevation of my devicewith the slidable member pivoted down, the peel in position being squeezed. The position of the hand is shown.

Figure 3 is a view showing cutting off of a used peel, the device being shown in side elevation.

Figure 4 is a top plan view of my device with the slidable member in opened position.

Figure 5 is a view taken along the line 5-5 of Figure 4, looking inthe direction of the arrows.

Figure 6 is a view taken along the line 6-6 of Figure 5, looking in the direction of the arrows.

Figure '7 is a view along the line 'l! of Figure 5, looking in the direction of the arrows.

Figure 8 is a top plan view of another form of my device.

Figure 9 is a view in side elevation of the form of device shown in Figure 8.

Figure 10 is a view along the line ill-ill of Figure 9, looking in the direction of the arrows.

Figure 11 is a view taken along the line I ll I of Figure 10, looking in the direction of the arrows.

Figure 12 is a view taken along the line I 2-12 of Figure 8, looking in the direction of the arrows.

Figure 13 is a view taken along the line l3i3 of Figure 8, looking in the direction of the arrows.

Figure 14 is a view taken along the line I4--l-4 of Figure 12, looking in the direction of the arrows.

Figure 15 is a view partly in section, showing the position of the parts and of the fruit peel at the beginning of the expressing operation.

Figure 16 is a view similar to Figure 15, showing the position of the parts and of the peel at the finish of the expressing operation.

Figure 17 is a view similar to Figure 16, showing the position of the parts at the end of the operation.

Figure 18 is a top plan view of another form of my device.

Figure 19 is a view in side elevation of the form shown in Figure 18.

Figure 20 is a bottom plan view of this modification.

Figure 21 is a View taken along the line 2 l-2l of Figure 19, looking in the direction of the'arrows.

Figure 22 is a view partly in section, showing a peel at the finish of the expressing operation.

Figure 23 is a view similar to the view shown in Figure 22, showing the cutting off of the peel after the expressing operation.

Figure 24 is a view partly in section of a modification of the device illustrated in Figures 18 to 23 inclusive, showing a cut-01f knife mounted on the stop.

Figure 25 is a view taken along the line 25-25 of Figure 24, looking in the direction of the arrows.

Figure 26 is a top plan view of another modified form of the device.

Figure 2''! is a view in side elevation of the form shown in Figure 26.

Figure 28 is a view taken along the line 28-28 of Figure 27, looking in the direction of the arrows.

Figure 29 is a view taken along the line 29-29 of Figure 26, looking in the direction of the arrows.

Figure 30 shows in side elevation the position of the slidable member when the peel has been pinched into the inverted V.

Figure 31 shows in side elevation the position of the parts at the beginning of the operation of tearing ofithe used peel.

Figure 32 is a top plan view of another'modified form of my device.

Figure 33 is a view taken along line 33--33 of Figure 32. t

Figure 34 is a view taken along line 34-34 of Figure 33.

Figure 35 is a fragmentary view showing the peel grasped between the support and the shaping member.

Figure 36 shows in side elevation the position of the slidable member when the peel has been pinched into the inverted V.

Figure 37 shows in side" elevation the position of the parts at the beginning of the operation of tearing off the used peel.

Figure 38 is a top plan view of a modification of my device.

Figure 39 is a view taken along the line 39-39 of Figure 38 looking in the direction of the arrows.

Figure 40 is a view similar to that shown in Figure 39 showing a fruit peel distorted to express the essential oils from the skin.

Figure 41 is a view taken along the line 4l-4l of Figure 39 looking in the direction of the arrows.

Referring to the drawings, I have shown a pistol grip l and a support 2. On the support 2 is mounted a stop member 3 which is slanted at some convenient angle with the upper surface shoulder l3 formed in the support 2.

to the trigger 6 is a shaping member I6.

of the support 2. The angle shown in the drawings is approximately 45. Apertures are provided at 4 in the support 2 through which the expressed essential oil from the fruit peel can be dropped into the cocktail or on the other material to be flavored or scented.

Mounted in the support 2 is a pivot 5 on which is pivoted a trigger 6 which is provided with a rear support I carrying an upwardly projecting pin 8 over which one end of a helical spring 9 fits.

The upper end of the helical spring 9 fits into "an'ap'erture I0 formed on the bottom of the support 2. The helical spring 9 holds the parts normally in the position shown in Figure 5. The trigger 6 is formed with a forward support member II which has a shoulder l2 that fits over a The support 2 is provided with a downwardly extending protecting flange l4 which protects the support I! and other operating part from injury. The support ll fits within a slot l5 formed in the upper surface of the support 2.

On the end of the support I l which is attached This shaping member 16, as clearly shown in Figure 1, is adapted to bend the peel l'l upward as indicated at l8.

There is provided a cut-away portion 20 at the side of the support 2. .In this cut-away portion 20 is adapted to lie a pivot pin 2 I. The pivot pin 2| is surrounded by a helical spring 22 which is adapted to bear against a sliding block 23 to hold 1 the sliding block 23 in the position shown in Figpivot 26.

ure 4. On the sliding block 23 and preferably integrally formed therewith is a slidable member 24 which is provided on its under surface with gripping elements 25 which form a gripping surface above tracks 25' formed on the support 2.

A knife element is pivoted at 25 on the slidable member 24. This knife element is provided wth a. broad knife edge 21 and a top 28. The top 28 is provided with an operating extension 29 which permits the knife to be pivoted on the In operation, the slidable member 24 is pivoted back on the pivot 21in the position shown in Figure 1 and a fruit peel with the outside down is placed in. position, as shown in Figure 1, over the shaping member I 6. The slidable member is now pushed down in the position shown in Figure 2 and pushed forward with the thumb against the pressure of the spring 22. After expressing oil, the trigger 6 is pulled rearwardly, thus lowering the support II and the shaping member I6. The expressed oil falls down through the aperture 4 onto the material to be treated. The parts are then permitted, under the pressure of the spring 22, to resume the position shown, for instance, in Figure 3, where the knife 21 is lowered into a slot 30 to cut off the peel.

The process can be continued until the length of peel is entirely used up. The inverted V shape of the peel breaks up the cells in the skin of the peel and the essential oils are squirted down with considerable force through the aperture 4 onto the material to be treated.

In the form of invention shown in Figures 8 to 1'7, inclusive, I have shown a similar support 2 and handle I; also a similar slidable member 24. However, the stop member is movable upward and downward and carries with it a cut-off knife. Moreover, the trigger arrangement is different than in the form just described.

vice having a stop member I mounted on posts I'0I surrounded by compression springs I02 which bear "at one end on top of the support 2 and at the other end on the lower part of ears I03 formed on the stop member I00. The posts IOI may be riveted as indicated at I04 to the ears I03.

Between the posts IOI is mounted a cut-off knife I05.

Each post I'0I is provided with a slot I05 through which fit cam arms I07 of a bifurcated member I08 which is attached to a trigger block I09. The trigger block I09 is provided with -a trigger H0. Screwed into the block I09 is a screw III which passes through an aperture II2 formed on the top part of the pistol grip handle I. The screw head II3 is adapted to slide in a larger aperture II4 formed in the top of the pistol grip handle I. The screw III has a reduced portion I I5 which is screwed into the pistol block I09, and a smooth portion II 6, and there is a helical compression spring II! which surrounds the screw. The screw and the spring lie within apertures H8 and H9 formed in the support 2.

Upon pulling with the index finger on the trigger element IIO, the spring 'I I1 is compressed to pull back the block I09 and with it the bifurcated member I08 which carries the cam arms I01. Cam arms I01 are provided with cam surfaces I20 which bear against the bottom of the slots I06, pulling down the posts IIJI against the tension of the springs I02 so that the stop I00 assumes the position shown in Figures and 16.

A strip of peel I2I can be pushed forward by the slidabl'e member 24 and pinched into the desired inverted V as indicated in Figure 16 In this form of the invention, the shaping member is immovable and is indicated at I22. Apertures I23 are formed on either side of the shaping member and permit the essential oils to be expressed onto the material which it is desired to flavor or scent.

After the oil has been expressed, the trigger IIO may be released, as indicated in dotted lines in Figure 17, and the trigger again pulled back to cut off a piece I30 of the peel. The sl-idable member 24 is returned by the spring and a new piece of peel subjected to the expressing operation.

In the form of invention shown in Figures 18 to 23, inclusive, I have shown the pistol grip handle I,'the support 2 and the slidable member 20 with the gripping element 25. The slidable element 24 is provided with the knife construction 28 such as is shown in the form illustrated in Figures 1 to 7 inclusive. A permanent shaping member 300 is shown in the top of the sup- I port I and apertures 20I through which the essential oils may fall.

The trigger construction and the stop construction are different from any of the forms heretofore shown. I have illustrated a trigger 202 which is pivoted at 203 on a rod 200. The trigger is provided with a bored upper portion 205 which permits the trigger to rock on the pivot 203 on the rod 204. The rod 204 is journaled in a socket 206 at the top of the pistol grip I.

A stop collar 20'! is provided on the rod 204 and a helical spring 208 bears at one end on the stop collar 20'! and on the other end against the end of a cylindrical aperture 200 formed at the extremity of the support 2.

The rod 204 has a pivot 2I0 passing through it.

The pivot 2I-0 passes through bifurcated arms 2I I for-med in a lever element 2I2 which is attached to a stop 2I3 forming a bell crank with the stop 2I3. The center of this bell crank is pivoted at 2M in supports 2I5 formed on the upper surface of the support 2. The arm 2I2 is adapted to rotate within an aperture 2I6 formed in the upper surface of the support 2.

The stop 2I3 is provided with a shoulder ZII which is adapted to grip an end 2I'8 of a piece of peel, as indicated in Figure 22.

The cylindrical section 205 formed at the top of the trigger 202 has provided a lug 2I9 which engages a stop 220 formed on the lower surface of the support 2. Normally, the parts are in the position shown in Figure 22, wherein the collar 20'! by reason of its engagement with an inclined surface 22I formed on the cylindrical element 205 holds the cylindrical element 205. in the cocked position indicated in Figure 22 where the lug 2I0 engages the catch 220. This position of the parts locks the stop 2I3 in the position shown, and by pushing forward on the slidable element 24, the peel may be brought into the V form shown in Figure 22, and the essential oils expressed down through the apertures 20I.

Upon pulling the trigger 202, the spring 208 is compressed. Lug 2I9 no longer engages catch 220, and the parts can be brought into the position shown in Figure 23, which releases the hold on the end 2I8 of the peel. The knife 21 can then be lowered to cut off the peel. A new piece of peel may he slid in position while the trigger 202 is still pulled back, and the operation can be repeated.

In Figures 24 and 25 I have shown a somewhat similar form to that just described, except that there is no knife provided on the slidable member 24, but the stop 2I3 is provided with a knife blade 300 which is brought down when the spring 238 presses the cylindrical trigger member 205 forward.

The knife 300 is adapted to enter an aperture 30I formed in the'upper surface of the support 2. In this form of device, I have shown the stop 2I3 as provided with operating arms 302 which are bifurcated at their ends 303. Through the bifurcations extend pivots 304 which pass through arms 305 which are formed as arms joined to a connecting rod 300 which connects with the rod 204.

I have shown another form of my device in Figures 26 to 31 inclusive. In this form I have shown a support, stop and grip mechanism similar to the type shown in Figures 1 to '7 inclusive. In this form the support 2 is formed with grooves 400 out in its upper surface, thus forming ridges AM on which the peel I! i adapted to slide. The sliding member 2 3 is substantially the same as in the form shown in Figures 1 to 7 inclusive but it is to he noted that the first row of teeth 25 is omitted from the bottom of the sliding member 24. The device is found to work better, under certain conditions, when these teeth 25 do not come too close to the front edge of the sliding member 24.

In this form of device the trigger 5 is provided with a forward support 402 which terminates in a shaping member 403. The shaping member 403 is cut away at the bottom, as indicated at '404. This cut-away portion is of con siderable value, in that it prevents wastage of the expressed oils, since there is no surface below 404 for them to collect upon.

Further, it is to be noted that "the device is I generally made with just enough clearance to insert the end of the peel beneaththe shaping member 403 and the stop 3. The spring 9 holds the peel in position to prevent it from backing away whereby the travel of the sliding member makes a correct fold of the peel. If the peel were not held firmly between the stop and the shaping member, there would be a tendency for the peel to back away, and the device would function improperly.

A further improvement of this form consists in a cutaway portion 405 formed at the front of the slidable member 24. This provides for a fit between the slidable member 24 and the shaping member 403 so that the peel will not be broken. Too tight a fit tends to break the peel.

In thisform of device it is to be noted that I have provided a thumb rest 406 which is pivoted at 401 on the slidable member 24. The thumb rest 400 is provided with a hollowed out portion 408 for the receipt of the thumb of the user. A stop 409 is provided at the front of the thumb rest 405.

In the beginning of the forward pushing operation, the support 409 is in contact with the top surface of the support 24. Asthe support 24 is pushed further forward, the thumb rest 405 is tilted backward, as indicated in the drawings. The position of the parts when the peel is being squeezed between the support 24 and the stop 3 is illustrated in Figure 30.

In Figure 31 there is illustrated the position of the parts and the peel ll when the used portion of the peel is being discarded.

I In Figure 31 the portion of the peel which lay under the support 24 has been pulled out. The support 24 has been pushed against the stop and a used portion of the peel can be ripped off from the main portion of the peel. In this form of device, no cut-off knife is used, as it has been found feasible to tear off the used peel, as illustrated in Figure 31.

There is shown in Figures 32 to 37, inclusive, another modification of my device. In this form, the support, stop and grip mechanism is similar to that shown in Figures 26 to 31. However, the trigger arrangement is different from any of the forms heretofore described.

In this construction, the trigger is made of two pieces and works ona different principle of operation from those hereinbefore described.

The trigger 6 is provided at its upper end with I a protrusion M which fits into a recessed area 4 formed in the forward support member 402. As clearly shown in Fig. 33, the support member 402 has an extension 4 l3 which projects into the cut-away portion M4 in member 2. A pin or the like 4| 5 serves to support the extension 413 within the cut-away portion.

The forward support element 402 is provided with a shoulder 4l6. As best illustrated in Fig. 33, the shoulder 4| 6 abuts against the shoulder 4H on the support 2 and will thereby tend to limit the rearward movement of the member 402 when in inoperative position.

The trigger B is pivotally mounted immediately in back of the aperture 4 on a pivot pin M8. The pivot pin 4! 8 is journaled in lugs M9 and 420, respectively. A coil spring 42| is fitted around pin 8 and one end thereof is suitaby secured to the trigger 6. The other extremity of the spring is afiixed to the lug 420. It will be readily appreciated that the trigger 6 and the forward support 402 will be normally held in the position shown in Fig. 33 by the action of the coil spring.

The operation of the device is simple. By merely squeezing on the trigger 6, the shaping member 403 is advanced toward the stop 3. It will of course be appreciated that the shaping member will move in a direction substantially perpendicular to the stop 3. This is particularly efficacious as the peel I! will be very tightly held between the two members.

In Figures 38 to 41, inclusive, there is shown a form of my device having a support base 500 having a hollowed-out portion 50l. The support base is provided with an aperture502 therein. Over the end of the aperture is adapted to project a stop 503 which is forwardly slanted. Two arms 504 are formed on the base in which is pivoted at 505 a support 506.

Attached in the support 506 is a slide 501 having an enlarged central section 508. The other end of the slide fits tightly into a support memher 509. On the support member 509 is pivoted a thumb-operated cam 510, which has arms 51! that fit over the support member 509 and are pivoted thereto, as indicated at 5 I 2.

A slide member 513 is adaptedto slide-on the thickened portion 508 of the slide 501. The slide member 5l3 is held against the support 509 by means of a compression spring 514.

Formed at the bottom of the pivoted cam 5|0 is a downwardly extending cam lip 5l5 which 3 is adapted to bear against the end of the slide member 5I3 and push it against the action of the compression spring 5l4 when pressure is brought by the thumb against the thumb-operated pivoted cam 5l0. I Adapted to lie in an aperture 5|6 formed in the surface of the support base 500 is a movable clamp 5!! which has an upturned end 5I8, with i a slanted surface 519 formed thereon adapted to lie substantially parallel to a slanted surface 520 formed on the'stop 503. The movable clamp member 5|! is provided with a guiding tail 52l, which is adapted to lie under the upper surface of the support base 500 and within the aperture l hollowed out under the support base.

Movable clamp 5" is provided with a rounded aperture 522 into which fits a rounded extension 523 of a trigger 524. The trigger 524 is pivoted, as indicated at 525, in the support arms 526 formed on the lower surface of the support base 500.

In operation, a piece of peel, indicated by the numeral 521, is placed face down on the support base 500 and an end of the peel 52B is firmly held between the stop 503 and the movable clamp 5 II, as illustrated in Figure 40. The peel is held in this position by operation of the trigger 524 operated by the finger of the user. The slide member 5l3, which has serrations 529 formed on its lower surface, is rotated downwardly from its up position, indicated in dotted lines in Figure 39, to the position shown in solid lines in Figure 39. The thumb of the user presses downwardly on the cam member 5m to push the slide member 5l3 forward against the tension of the spring 5|4 to distort the peel, as plainly indicated in Figure 40, to express from the surface of the peel the essential oil which passes downwardly through aperture 502 onto the surface of the drink.

While I have shown and described the preferred embodiments of my invention, I wish it to be understood that I do not confine myself to the precise details of construction herein set forth, by way of illustration, as it is apparent that many changes and variations may be made therein by those skilled in the art. without departing from the spirit of the invention, or exceeding the scope of the appended claims.

Iclaim:

1. An apparatus for extracting essential oils from fruit peels comprising a substantially flat support for the peel, a stationary stop against which the peel is adapted to abut and which is angularly disposed with respect to the support and carried thereby, and means for advancing the peel against the stop to fracture the cell walls of the peel to cause escape of the essential oils.

2. An apparatus for extracting essential oils from fruit peels comprising a substantially flat support for the peel, a stationary stop against which the peel is adapted to abut and which is angularly disposed with respect to the support and carried thereby, and a slidable member adapted to grasp the peel for advancing the peel by a sliding motion on the support against the stop to fracture the cell walls of the peel to cause escape of the essential oils.

3. An apparatus for extracting essential oils from fruit peels comprising a substantially flat support for the peel, a stationary stop against which the peel is adapted to abut and which is angularly disposed with respect to the support and carried thereby, said support having apertures therein permitting free escape of the expressed oil, and means for advancing the peel against the stop to fracture the cell walls of the peel to cause escape of the essential oils.

4. An apparatus for extracting essential oils from fruit peels comprising a substantially flat support for the peel, a stationary stop against which the peel is adapted to abut and which is angularly disposed with respect to the support and carried thereby, a slidable member for grasping the peel for advancing it on the support against the stop, and a pivot on which said slidable means is adapted to pivot.

5. An apparatus for extracting essential oils from fruit peels comprising a substantially flat support for the peel, a stationary stop against which the peel is adapted to abut and which is angularly disposed with respect to the support and carried thereby, a slidable member for advancing the peel on the support against the stop, and grasping surfaces on the slidable member to grasp the peel.

6. An apparatus for extracting essential oils from fruit skins comprising a substantially flat support for the peel, a stationary stop against which the peel is adapted to abut and which is angularly disposed with respect to the support and carried thereby, a slidable member for grasping the peel to move it against the stop, a pivot on which said slidable member is adapted to pivot, and gripping surfaces on the slidable memher to grasp the peel.

7. An apparatus for extracting essential oils from fruit peels comprising a support for the peel, a stationary stop against which the peel is adapted to abut and which is angularly disposed with respect to the support and carried thereby, a shaping member adapted to grasp the skin against the stop and give the skin a concave under surface, and means for advancing the peel against the stop to fracture the cell walls of the peel to express the essential oils.

8. In an apparatus for extracting essential oils from fruit peels, a support for the peel, a fixed stop against which the peel is adapted to abut, a shaping member adapted to grasp the peel against the stop and give it a concave undersurface, means for advancing the peel against the stop to fracture the cell walls of the peel to cause escape of the essential oils, and means to withdraw the shaping member from contact with the peel after expressing of the essential oils.

9. The combination, in an extractor of essential oils from fruit peels, of a support for the peel with a stop carried on the support, slidable means adapted to grip the peel and move it against the stop, and a pivoted thumb rest on the slidable means.

10. A device for removing essential oils from fruit peels comprising a base, a stop, a movable clamp carried by the base and cooperating with the stop to grasp a part of the peel, a slide, a support for the slide pivoted to the base, a cam pivoted to the slide and a slide member adapted to grip the peel and movable by the cam member to distort the peel to cause the essential oils to be expressed from the peel.

11. A device for removing essential oil from fruit peels comprising a base, a stop, a movable clamp carried by the base and cooperating with the stop to grasp a part of the peel, a slide, a support for the slide pivoted to the base, a cam pivoted to the slide, a slide member adapted to grip the peel and movable by the cam, said movable clamp having a recess therein, and a trigger pivoted in the base and having a portion fitting into the movable clamp to move said clamp.

12. An apparatus for extracting essential oils from fruit peel, comprising a substantially flat support for the peel, a stationary stop against which one end of the peel abuts and which is angularly disposed with respect to the support and carried thereby, and means for folding a portion otf the peel and pressing the same against said 5 op.

13. An apparatus for extracting essential oils from fruit peel, comprising a substantially flat support for the peel, means carried by the support for bulging a portion of the peel, and means for moving the portions of the peel on each side of the bulge together to transform said bulge into a fold and to press the peel at the fold to express oil therefrom.

MELVILLE D. TRUESDALE. 

